Unit comes with AC/DC converter (12 Volt DC/ 120 AC converter) to plug into any 120 Volt outlet (dorm room, hotel room, office, etc.). Plug flips from “H” for heating (up to 80 degrees) and “C” for cooling (up to 40 degrees below outside temperature). Both functions work.
Additional adaptor cord included to plug into any 12 Volt receiver (such as car cigarette lighter). Ideal for car trips, picnics, tailgate parties & more.